Blu-ray disc is protected by DRM (Digital rights management), you need a tool to remove the protection at first, then convert the blu-ray to MP4 HD format with a conversion software. Here I recommend a tool which can complete the conversion process simultaneously.Blu-ray Ripper is the perfect tool to rip and convert Blu-ray movie to MP4 with high ripping speed and excellent HD-quality. You can also Copy the entire blu-ray structure and contents to hard drive lossless. Convert Blu-ray movie to various video formats for some popular smartphones and tablets as well as editing software. How to convert "Despicable Me 2 Blu-ray” movie to MP4 HD format？Requirements:A "Despicable Me 2 Blu-ray”discA PC or MacA Blu-Ray Drive. Blu-ray Ripper or Blu-ray Ripper for Mac （Free download and instal it ）Step 1.Load Despicable Me 2 Blu-ray filesInserted Blu-ray disc to your Blu-ray drive. Then click the "Load file" button to import the Blu-ray files